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查看“UbuntuHelp:Virtualisation”的源代码
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{{From|https://help.ubuntu.com/community/Virtualisation}} {{Languages|UbuntuHelp:Virtualisation}} == Introduction == Ubuntu is a great OS for use in both virtualization hosts and in guest virtual machines and software appliances. Virtualization simply means the running of another OS within a '''host''' OS, through the usage of a special "hypervisor" application which handles everything about how the guest OS operates within (and with) the host system. "Guest" OSes are typically installed to virtual drives; large and expanding (typically) files to which a the guest OS is installed in the same way that one would install the same OS to a hard disk. The guest OS then runs from that virtual drive. Another configuration, not recommended for beginners or those with high-value systems (always backup your data), is the running of a guest OS from another hard drive partition. This mode is called "raw disk" and requires special setup; using a small virtual "drive" file (for example in vmdk format) as an interface to the hard disk, and special commands which handle certain aspects of that system's startup. == Hosts == There are quite a few virtualization platforms you can use a Ubuntu host with: === Open Source === * KVM (Kernel Virtual Machine) - the officially maintained choice * [https://help.ubuntu.com/9.10/serverguide/C/virtualization.html Official documentation] * [[UbuntuHelp:KVM|Community documentation]] * [http://wiki.openvz.org/ OpenVZ] * [http://www.qemu.org Qemu] * [[UbuntuHelp:VirtualBox|VirtualBox]] * [[UbuntuHelp:Xen|Xen]] === Proprietary === * Parallels * [[UbuntuHelp:VMware|VMware]] (https://help.ubuntu.com/community/VMware) * [http://www.jumpbox.com/ JumpBox] uses Ubuntu as the OS in their guest appliances. == Guests == * Ubuntu can be used as a guest OS in all of the above virtualization environments. * [http://www.ubuntu.com/products/whatisubuntu/serveredition/jeos Ubuntu Server Edition JeOS] is a specialized version of Ubuntu to create Virtual Appliances for KVM or VMWare. * python-vm-builder is a tool which allows you to automate the creation of virtual machine. See the [[UbuntuHelp:JeOSVMBuilder|JeOSVMBuilder]] tutorial for more information. ---- [[category:CategoryVirtualization]] [[category:UbuntuHelp]]
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